Home / 20,171,628.92-27,833,040.78-12,023,625.08

Finding the Fourth Proportional to 20,171,628.92, 27,833,040.78 and 12,023,625.08

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Solution

The fourth proportional to 20,171,628.92, 27,833,040.78 and 12,023,625.08 is: 16,590,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,628.92 : 27,833,040.78 = 12,023,625.08 : x
  2. Step 2: Convert to fraction form
    20,171,628.92/27,833,040.78 = 12,023,625.08/x
  3. Step 3: Cross multiply
    20,171,628.92x = 27,833,040.78 × 12,023,625.08
  4. Step 4: Simplify right side
    20,171,628.92x = 334,654,047,175,070.75
  5. Step 5: Solve for x
    x = 334,654,047,175,070.75/20,171,628.92
  6. Step 6: Final answer
    x = 16,590,333.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.